Francis schleifer



' the ingredients employed in its manufactureywhether and mild, and shows at once, to a great degree, the,

anal swi awn an FRANCIS SCHLEIFER, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR TO HIMSELF AND FRANCIS CUTTING, 0F SAM-E PLACE.

Letters PM at. 93,127, dated July 27, 1869.-

' mnovnp success or. t me AND RBI'INING- Anconomc mourns.

"l'ho Schedule referred to in these Letters Patent ahd making part of the sauna.

To an whom it y 00m: its noxious influence, but imparts atoms to the alco- Be it known that I, Fmois Scnmmnn, of the holie liquid those valuable properties known as age, city and county of San Francisco, State of California, mildness, flavor, 850., while the solid or insoluble prohave invented an Improved Method for Purifying Alducts of this decomposition are suspended in the .re-. cohol; and I do-heieby declare that the best mode siduum remaining in the-still. which I have discovered, for performing ,said process, In orderto accomplish this object, and to obtain an Y is described in the following specifications, with the alcoholic liquorperfectly free from fusel-oils, I introhest'apparatus which I have found or devised for perduce'apipe into the still, at any point below the top forming the same. of the liquor being distilled, and force or impel cold air My invention consists in the introduction of atmosinto it, either with a bellows, force-pump, or other ap phen'o air in the still in sufiicient quantities, for the paratus, a few strokes from time to time being all that purposeof chemicallydestroyingthe fusil-oils,by means is necessary. By this means, the oxygen of the .air of the oxygen contained in the saidair. acts chemically on the fusel-oils, decomposing them, his a welleknown fact that all alcohols contain more and alcoholic liquors are obtained perfectly free from or less fusel-oils, of diflerent compounds, according to such deteriorating oils, while the product tastes sweet made from potatoes, molasses, grain, or other nateproperty or quality known as age.

n'als and, furthermore, that all alcoholic liquors im- To ascertain the fact that the fusei-oils are destroyed, prove by age. The reason assigned for thisis, that proof may at any time be obtained by the chemical the air is more or less incontact with the liquor, and, test of nitrate of silver.

after a sulficient time has elapsed, the fusel-oils are Having thus described my invention,

destroyed, and converted into'other substances. j v What I claim, and desire to secure by Letters Pat- It is also conceded that the first runof distilled ent, is-- spirits is the best. The reason assigned for this is,. l1e introduction of atmospheric air into the still, be-

that in'the beginning of the distillation-process, a stil ,low the surface of the liquor, in suflicient quantities to ficient quantity of air is already in-the still for destroyproduce, by the presence of the oxygen in the said air, in g the fusel-oil at first, but this atmospheric air is soon a chemical decomposition of the fusel-oils of alcoholic expelled by the alcoholic and watery-vapors, and then liquids, in the manner substantially as described, for the condensed alcoholic liquids are always impregnated the purposes set forth. r with-the fusel-oils to a greater'or less extent, But by 'In witness whereof, I have hereunto set my hand my method or process, such is not the case, the-fuseland-seal. I

oils being all decomposed into soluble and insoluble FRANCIS SOHLEIFER. [L. s.] products; and, furthermore, the soluble products of Witnesses: 1 v such decomposition being volatile, go over, in the dis- O. W. M. SMITH, tillation, with the alcohol, and is not only divested of J. L. Booms. 

